var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');

var routes = require('./routes/index');
var api = require('./routes/api/index');

var app = express();


//app.all('*', function(req, res, next) {
    //res.header("Access-Control-Allow-Origin", "*");
    //res.header("Access-Control-Allow-Headers", "X-Requested-With");
    //res.header("Access-Control-Allow-Methods","PUT,POST,GET,DELETE,OPTIONS");
	//res.header("Access-Control-Allow-Methods","POST");
    //res.header("X-Powered-By",' 3.2.1')
    //res.header("Content-Type", "application/json;charset=utf-8");
    //next();
//});

app.all('*', function(req, res, next) {
    res.header("Access-Control-Allow-Origin", "*");
    res.header("Access-Control-Allow-Headers", "Content-Type,Content-Length, Authorization, Accept,X-Requested-With");
    res.header("Access-Control-Allow-Methods","PUT,POST,GET,DELETE,OPTIONS");
    res.header("X-Powered-By",' 3.2.1');
	//res.header("Content-Type", "application/json;charset=utf-8");
    if(req.method=="OPTIONS") res.send(200);/*让options请求快速返回*/
    else  next();
});

//view engine setup模板设置啊
app.set('views', path.join(__dirname, 'views'));
//app.set('view engine', 'ejs');
app.set('view engine','html');
app.engine('.html',require('ejs').__express);//注册html视图引擎

app.engine('html', require('ejs-mate'));


// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', routes);
app.use('/api', api);











// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
  res.render('error', { title: 'user' });
});

// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
  app.use(function(err, req, res, next) {
    res.status(err.status || 500);   
     res.render('error', { title: 'user' });
  });
}

app.use(function(err, req, res, next) {
  res.status(err.status || 500); 
  res.render('error', { title: 'user' });
});


module.exports = app;
